Principal Ai Engineer jobs in Herndon – Browse 70 openings on RoboApply Jobs

Principal Ai Engineer jobs in Herndon

Open roles matching “Principal Ai Engineer” with location signals for Herndon. 70 active listings on RoboApply Jobs.

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companyClarity Innovations logo
Principal AI Engineer

Clarity Innovations

Full-time|On-site|Herndon, VA

Clarity Innovations delivers mission-driven software and data engineering for the Intelligence Community and Department of Defense. The company specializes in transforming complex data into actionable intelligence, focusing on information warfare, cyber operations, operational security, and data structuring. Based in Herndon, VA, Clarity Innovations encourages innovation and career growth for its team members. Role overview The Principal AI Engineer joins the AI Enablement Team to advance the operationalization, security, and maturity of artificial intelligence capabilities within the Joint Development Environment (JDE) and other operational platforms. This position focuses on building and maintaining the AI path-to-production, ensuring the technical stack remains stable and scalable for a range of mission environments and development spaces supporting cyber tools and capabilities. The main project centers on establishing a unified AI infrastructure, providing consistent access to models and inference through a single, evolving AI run stack. Key responsibilities Operationalize and secure AI capabilities within JDE and additional environments. Build and maintain the AI path-to-production for mission-critical tools. Ensure the AI technical stack is scalable and stable across multiple operational and development spaces. Support integration of AI models and inference for various cyber capabilities. Work with the AI access platform to centralize API management and streamline workflows. Project focus This initiative delivers a unified interface for AI model access, supporting both local open-source models and cloud-managed models such as AWS Bedrock and Azure OpenAI. The aim is to integrate AI tools and frameworks into user workflows, from general content creation to advanced AI-driven development. The Principal AI Engineer helps simplify and centralize AI access and management for users. Location Herndon, VA (On-site) Experience level 6-10 years of experience Security clearance TS/SCI required

Apr 27, 2026
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companyATPCO logo
Full-time|On-site|Herndon

The Principal Software Engineer at ATPCO takes a central role in shaping software solutions and designing reliable applications. Based in Herndon, this position calls for strong technical leadership and a thorough grasp of software development and design principles. Role overview This engineer leads complex projects from the earliest planning stages through deployment. The role includes architecting software, setting technical direction, and ensuring the team delivers high-quality results. Key responsibilities Work closely with cross-functional teams to gather and define technical requirements Mentor junior developers and support their professional growth Promote best practices in coding and design throughout the team Contribute to improvements in product functionality and performance Requirements Extensive experience in software development and application architecture Proven ability to lead projects from concept to deployment Strong understanding of design principles and coding standards Experience collaborating with diverse technical and business teams

Apr 28, 2026
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companyClarity Innovations logo
Principal Software Engineer

Clarity Innovations

Full-time|On-site|Herndon, VA

At Clarity Innovations, we are a dedicated national security partner committed to safeguarding our nation’s interests. We deliver innovative solutions that empower the Intelligence Community (IC) and the Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in a rapidly changing world.Our mission-driven software and data engineering platform modernizes data operations through advanced workflows, continuous integration/continuous deployment (CI/CD), and secure DevSecOps practices. We tackle challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, enabling comprehensive solutions that drive significant operational impact.We are passionate about delivering state-of-the-art tools and capabilities that confront the most complex national security challenges, providing our partners with the means to stay ahead of emerging threats and ensuring the success of their critical missions. At Clarity, we prioritize our people and strive to be a destination employer for top talent, fostering an environment where innovation flourishes, careers advance, and individuals are respected. Join us as we continue to lead innovation and address the most pressing challenges in national security.Position OverviewThis role is part of a dynamic team at the cutting edge of developing crucial components for a next-generation distributed cyber network operations platform, offering novel solutions to the challenges faced by cyber missions at scale. You will play a key role in contributing to the core messaging framework that facilitates intra-platform orchestration. Your contributions will include designing and implementing microservices developed in Python and Go, containerized with Docker images and deployed within a Kubernetes cluster. A successful developer in this role will possess a wide array of experiences, including secure networking practices such as implementing mTLS at both the application and service-mesh layer, utilizing gRPC for intra-process communications, and debugging GraphQL APIs. This position also provides unique opportunities for engagement with our customers and end-user groups to help refine and enhance functionality.The ideal candidate will take pride in their work and strive for excellence in all endeavors. They are motivated by challenges and actively seek out complex problems that push them beyond their comfort zone. They understand that the mission we support transcends any one individual and has a profound impact on our country’s national security. Our team dynamic is relational, humble, and dedicated to excellence. We take responsibility for our mistakes promptly, consider how our work affects the personal lives of our teammates, and refuse to settle for mediocrity.

Apr 1, 2026
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companyClarity Innovations logo
Full-time|On-site|Ft. Meade OR Herndon, VA

Clarity Innovations stands as a trusted partner in national security, committed to protecting our nation's interests while delivering inventive solutions that empower the Intelligence Community (IC) and the Department of Defense (DoD). Our mission is to transform data into actionable intelligence, ensuring mission success in an ever-changing landscape.Our mission-first software and data engineering platform modernizes data operations by harnessing advanced workflows, CI/CD, and secure DevSecOps practices. We tackle challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, facilitating end-to-end solutions that generate significant operational impact.We are devoted to providing state-of-the-art tools and capabilities to address the most intricate national security challenges, enabling our partners to stay ahead of emerging threats and ensuring the success of their critical missions. At Clarity, we prioritize our people and aim to be the destination for top talent, fostering an environment where innovation flourishes, careers develop, and individuals are respected. Join us as we lead innovation and confront the pressing challenges of national security.

Apr 2, 2026
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companyClarity Innovations logo
Principal Platform Engineer

Clarity Innovations

Full-time|On-site|Herndon, VA

About Clarity Innovations Clarity Innovations supports national security by building solutions for the Intelligence Community (IC) and Department of Defense (DoD). The company’s platform modernizes data operations with advanced workflows, CI/CD, and secure DevSecOps practices. Teams address challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, delivering end-to-end solutions that strengthen mission outcomes. Clarity values its people and aims to be a destination employer for top talent. The company fosters a culture where innovation grows, careers advance, and every individual is respected. Role Overview The Principal Platform Engineer will join a team prototyping a system to integrate, manage, and maintain a "Hardware In the Loop" (HWIL) system within an existing development network. This role involves regular collaboration with customers to iterate and refine platform capabilities, ensuring alignment with their objectives. As a senior DevOps engineer on this project, responsibilities include establishing foundational CI/CD pipelines, providing architectural design guidance, and leading the system’s CI/CD design. The engineer will also develop solutions for integrating and managing hardware in the current environment. What You Will Do Develop a CI/CD system for a new initiative that integrates and manages hardware within an existing development environment. Build high-quality software focused on user requirements, with a commitment to delivering functional products on schedule. Implement and integrate automated testing into the product’s codebase. Support the delivery and deployment of operational capabilities. Requirements Must possess and be able to obtain and maintain at least a Secret security clearance (only U.S. citizens are eligible). Location Herndon, VA

Apr 14, 2026
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companyATPCO logo
Internship|Hybrid|Herndon

Join our dynamic team as a Platform Engineering Intern specializing in AI & Data Enablement. This hybrid internship offers a unique opportunity to work at the intersection of technology and data, contributing to projects that drive innovation in the travel industry. Collaborate with experienced professionals, gain hands-on experience, and enhance your skills in a supportive environment.

Apr 8, 2026
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companydstaff logo
Full-time|On-site|Herndon

Join our dynamic team at dstaff as a Principal Threat Analysis Engineer. In this vital role, you will leverage your expertise to identify, analyze, and mitigate potential threats to our systems and data. Your contributions will be crucial in ensuring the security and integrity of our technology infrastructure.Your responsibilities will include conducting comprehensive threat assessments, collaborating with cross-functional teams, and developing innovative security solutions. You will be at the forefront of protecting our organization against evolving cyber threats.

May 3, 2015
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companyClarity Innovations logo
Full-time|On-site|Herndon, VA

At Clarity Innovations, we are dedicated to protecting our nation's interests through innovative solutions that empower the Intelligence Community (IC) and the Department of Defense (DoD). We transform data into actionable intelligence, ensuring mission success in a rapidly changing world.Our mission-first software and data engineering platform revolutionizes data operations by employing advanced workflows, continuous integration/continuous deployment (CI/CD), and secure DevSecOps practices. We tackle challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, creating end-to-end solutions that yield significant operational impact.We pride ourselves on delivering state-of-the-art tools and capabilities that confront the most complex national security challenges, enabling our partners to stay ahead of emerging threats and guaranteeing the success of their critical missions. At Clarity, we prioritize our people and strive to be a destination employer for top talent, fostering an environment where innovation flourishes, careers advance, and individuals are valued. Join us in our mission to lead innovation and address pressing national security challenges.Company OverviewClarity Innovations is a technology firm committed to equipping clients with the capabilities and support necessary for conducting intelligent and effective cyber operations. We achieve this by attracting the brightest engineers and operators across the nation, presenting them with some of the most challenging problems faced by the U.S. government, and nurturing their creativity and problem-solving skills. Our standard is excellence, and our metric is mission success.RoleAs a Principal Cyber Network Operations Engineer, you will be the technical leader responsible for developing and integrating specialized cyber tools within our core platform. This position requires a "player-coach" approach, where you will oversee the implementation of intricate CNO features while ensuring their seamless integration with both the platform infrastructure and the end-user workflow. You will act as the primary technical resource for CNO tool lifecycle management, from initial prototyping to final integration for users.ResponsibilitiesDevelopment & CNO IntegrationLead the creation of high-performance CNO tools using programming languages such as C, Python, and Go, ensuring they are optimized for compatibility with our platform.Drive the integration of CNO tools, focusing on how backend capabilities connect with the broader platform architecture to facilitate reliable delivery and execution.Conduct reverse engineering using tools like Ghidra, IDA, or Binary Ninja to inform tool development and integration processes.

Apr 13, 2026
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companyClarity Innovations logo
Full-time|Hybrid|Herndon, VA

Clarity Innovations stands as a reliable partner in national security, committed to protecting our nation's interests and providing innovative solutions that empower the Intelligence Community (IC) and the Department of Defense (DoD) in converting data into actionable intelligence, ensuring mission success in an ever-changing landscape.Our mission-driven software and data engineering platform revolutionizes data operations, leveraging advanced workflows, Continuous Integration/Continuous Deployment (CI/CD), and secure DevSecOps practices. We tackle challenges in Information Warfare, Cyber Operations, Operational Security, and Data Structuring, enabling comprehensive solutions that yield significant operational impact.We are dedicated to delivering state-of-the-art tools and capabilities that confront the most intricate national security challenges, empowering our partners to remain ahead of emerging threats and guaranteeing the effectiveness of their critical missions. At Clarity, we prioritize our people and strive to be a preferred employer for top talent, fostering an environment where innovation flourishes, careers flourish, and individuals are respected. Join us as we continue to spearhead innovation and address the most urgent challenges in national security.As a Principal Information System Security Engineer (ISSE) at Clarity, you will work closely with team members and developers, spearheading security innovation and implementation across projects and the overall security posture of Clarity. This role involves crafting technical solutions to support the establishment and maintenance of Authorization to Operate (ATO) packages and their related artifacts. We seek a passionate information security professional who excels at being at the forefront of groundbreaking ideas (Classified Cloud, CI/CD, etc.) and possesses a desire to learn and implement automated, cutting-edge practices.*This is a hybrid position requiring part-time presence in Herndon, Virginia.

Mar 5, 2026
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companyClarity Innovates logo
Full-time|On-site|Herndon, VA

Join Clarity Innovates as a Principal Security Researcher and lead groundbreaking initiatives in cybersecurity. As a pivotal member of our team, you will be at the forefront of identifying vulnerabilities, analyzing security threats, and developing innovative solutions to enhance our security posture.

Apr 8, 2026
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companyATPCO logo
Full-time|On-site|Herndon

Role Overview ATPCO is seeking a Principal Support Analyst in Herndon. This role focuses on delivering high-quality support and solutions to clients. The Principal Support Analyst investigates complex problems, applies strong analytical skills, and works to improve service delivery. The goal: maintain client satisfaction and support operational excellence.

Apr 13, 2026
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companyStemXpert logo
Full-time|On-site|Herndon

Join StemXpert as a Release & Build Engineer, where you will play a critical role in our software development lifecycle. You will be responsible for designing, implementing, and managing the release and build processes to ensure efficient and reliable software delivery. This position involves collaborating with cross-functional teams to streamline operations, troubleshoot issues, and maintain high standards of quality.

Sep 11, 2014
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companyHolder Construction Company logo
BIM/VDC Engineer

Holder Construction Company

Full-time|On-site|Herndon, VA

About UsHolder Construction Company is a prestigious leader in the construction sector, consistently recognized among the top firms on ENR’s Top 400 Contractors list. We pride ourselves on being a performance-oriented organization that values excellence and invests in the growth of our employees. Our comprehensive career development program is designed to help associates advance swiftly into greater roles based on their merits.With operations nationwide, we provide a competitive compensation and benefits package that includes:Annual bonus programPaid time offHealth, dental, vision, and life insurance401(k) retirement planNight and swing shift differential pay for select rolesAbout the RoleWe are seeking a skilled BIM/VDC Engineer to join our Virtual Design & Construction team for our project in Herndon, VA. This is a full-time, on-site position.

Apr 2, 2026
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companyFlex Staffing Resources logo
Security Development Engineer

Flex Staffing Resources

Full-time|Hybrid|Herndon

The Security Development Engineering position is an integral part of our SecDevOps team, dedicated to bridging the gap between Security and Engineering. This hybrid role requires on-site participation for specific activities such as training, assessments, and team meetings.As a senior-level security development engineer, you will act as a key technical liaison for security-related engineering initiatives. You will collaborate closely with security engineering, operations, and build teams, assisting the Governance, Risk, and Compliance (GRC) Control Assurance and Security Operations Center (SOC) Vulnerability Management teams in the initial triage of vulnerabilities. Your expertise will guide the creation of actionable items for operations and facilitate escalations to Product or Cloud teams as necessary.In this role, you will review responses from team members, ensuring comprehensive consideration for the final lists. You will also support various assessments and audits by participating in interviews and managing escalations related to operational and engineering concerns. Your role may involve providing guidance on how security controls are implemented through automation and configurations, as well as gathering evidence for assessors. Additionally, you will oversee the remediation process for vulnerabilities and findings, ensuring swift and effective resolutions. We seek a candidate who can begin work promptly based on their experience and is ready to engage with our processes and procedures with oversight provided as necessary.

Apr 30, 2023
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companyNorthstrat logo
Full-time|On-site|Herndon, Virginia, United States

As an Operations Systems Engineer at Northstrat, you will play a pivotal role in enhancing our operational capabilities by designing, implementing, and optimizing systems that support our diverse projects. This position requires a keen analytical mind and a passion for problem-solving, as you will be tasked with ensuring that our systems operate efficiently and effectively.

Mar 26, 2026
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company
Full-time|On-site|Herndon, Virginia, United States

***Security Clearance: Must possess an active TS/SCI with Full Scope Polygraph***KDA Consulting is on the lookout for a talented Systems Engineer/Senior Data Engineer specializing in the design, implementation, and optimization of data pipelines and solutions within critical security and operational platforms, including Splunk, ServiceNow, and AppDynamics. The successful applicant will be a proactive problem solver with a proven ability to manage complex data ingestion, normalization, and correlation processes in high-stakes environments. This role is ideal for someone who excels in collaborative settings, possesses outstanding communication skills, and is committed to fostering continuous improvement and innovation.Key Responsibilities:Splunk Data Engineering:Design, engineer, and maintain resilient Splunk infrastructures, including clustered environments for extensive data ingestion, correlation, and reporting.Automate intricate data ingestion methods (e.g., S3, syslog, JSON, APIs) from varied sources across multiple enclaves.Develop and enforce methods for data tagging and cataloging to ensure compliance with evolving security standards and enhance data discovery.Optimize data ingestion performance and efficiency across various network environments. Familiarity with Technical Add-ons is crucial.Parse and normalize non-standard data sets to enable thorough analysis and correlation within Splunk.Develop and refine Splunk queries, dashboards, and reports to visualize security events, infrastructure health, and operational metrics.Collaborate with IT operations and cyber security teams to enhance data sets, identify cyber threats, and strengthen security posture.Maintain ITSI and SIEM-like tools and custom content within virtualized environments.Perform tuning and filtering of events and information, creating custom views and content.Familiarity with UBA and Splunk is a plus.Collaborate with cross-functional teams to design and implement data integrations between various security and operational tools (including Splunk and AppDynamics) and ServiceNow.Develop and maintain data pipelines to ensure accurate and timely flow of security incidents, alerts, and operational metrics into ServiceNow for incident management, problem management, and reporting.Assist in defining and implementing data models within ServiceNow to support security operations and compliance initiatives.Work with third-party services for design review and optimal deployment configuration related to enterprise cloud service utilization (concerning integrations).Join KDA Consulting and be part of a team that values innovation, collaboration, and excellence in the field of data engineering and system optimization.

Jul 10, 2025
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companyHolder Construction Company logo
Electrical Project Engineer

Holder Construction Company

Full-time|On-site|Herndon, VA

ABOUT USHolder Construction Company is a highly esteemed leader within the construction sector, consistently appearing on ENR’s prestigious Top 400 Contractors list. Our commitment to excellence is reflected in our performance-driven culture, where we reward outstanding contributions and prioritize the professional growth of our team members. Through our comprehensive career development program, we empower associates to ascend to new roles and responsibilities based on their merit. Our operations span across the United States, and we offer a competitive compensation and benefits package that includes:Annual bonus programGenerous paid time offComprehensive health, dental, vision, and life insurance401(k) retirement planNight and swing shift differential pay for select rolesAbout the RoleWe are seeking an enthusiastic Electrical Project Engineer to join our MEP – Prefabrication & Supply Chain Management team in our Washington, DC office. This is a full-time, in-person position.

Apr 9, 2026
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companyATPCO logo
Full-time|On-site|Herndon

The Director of Software Engineering will lead a team of talented engineers in the development and enhancement of software solutions that drive innovation within ATPCO. This role requires a strategic mindset along with hands-on technical expertise to oversee the full software development lifecycle, ensuring that our technology stack remains cutting-edge and effective. You will collaborate with cross-functional teams to align engineering initiatives with business goals and mentor engineers to foster their professional growth.

Apr 9, 2026
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companyclarityinnovates logo
Senior Platform Engineer

clarityinnovates

Full-time|On-site|Herndon, VA

clarityinnovates is hiring a Senior Platform Engineer in Herndon, VA. This position plays a key role in building and maintaining the core technology infrastructure that supports daily operations. Responsibilities Design, develop, and maintain scalable platform solutions that address business requirements Collaborate with teams throughout the company to integrate new technologies effectively Apply best practices to system architecture and software development Provide guidance to team members on optimizing system performance Contribute to the delivery of reliable, high-quality products Collaboration This role involves frequent work with cross-functional teams to ensure technology solutions support company objectives and run efficiently.

Apr 24, 2026
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companyAccenture Federal Services logo
Custom Software Engineer

Accenture Federal Services

Full-time|$96.2K/yr - $192.3K/yr|On-site|Herndon, VA

Accenture Federal Services seeks a Custom Software Engineer in Herndon, VA to help build secure, scalable systems that support US government missions. This position combines technical leadership with hands-on software development, working closely with AI and data teams to deliver practical solutions for defense, national security, public safety, and health projects. What you will do Technical leadership and architecture: Shape the design and development of backend systems and event-driven APIs, primarily using FastAPI. Code quality and reviews: Take part in code and technical design reviews to uphold standards for quality, performance, and security. AI model deployment: Collaborate with data scientists and machine learning engineers to integrate, containerize, and deploy AI/ML models, such as natural language processing, recommendation engines, and generative AI, into production environments. Containerization and orchestration: Build applications for cloud deployment, using Kubernetes for container orchestration. Asynchronous processing and distributed systems: Design systems that use asynchronous processing and task queues (including Celery, RabbitMQ, or Kafka) to manage long-running or unreliable tasks outside the main API. This role focuses on both technical depth and collaboration, offering the chance to work alongside professionals in AI, data, and engineering. The environment values code quality, security, and scalable design.

Apr 21, 2026

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